<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8" />
    <title>登陆</title>
</head>
<body>
  <form action="doLogin" method="post">
        <input type="inpunt" name="username" />
        <input type="inpunt" name="password" />
        <input type="submit" value="登陆" />
  </form>
</body>
</html>